329971-02-0Relevant articles and documents
Isocyanate acting as a carbonyl precursor: Pyridyl group-assisted formation of 4H-pyrido[1,2-a]pyrimidin-4-ones from ketimines and isocyanates
Kuninobu, Yoichiro,Nishimura, Shuhei,Takai, Kazuhiko
, p. 203 - 205 (2006)
By the reactions of ketimines bearing a pyridyl or a picolyl group on a nitrogen atom of the imine moiety with tosylisocyanate, 4H-pyrido[1,2-a] pyrimidin-4-one derivatives could be obtained in quantitative yields. In these reactions, tosylisocyanate acts